From 5f61057b38dc0053c396b2633c6ef28ee9d21aff Mon Sep 17 00:00:00 2001
From: Jaylyn Barbee <51131738+Jaylyn-Barbee@users.noreply.github.com>
Date: Fri, 9 Jan 2026 10:28:54 -0500
Subject: [PATCH] Adding a quick access button for Light Switch (#44640)

Adds a button for Light Switch in the Quick Access section of the
Dashboard page. Clicking the button will toggle the theme.
<img width="1886" height="1173" alt="image"
src="https://github.com/user-attachments/assets/7923e1ac-aeea-47ab-b648-2400cb6f3ca4"
/>
---
 .../QuickAccess/QuickAccessLauncher.cs                     | 7 +++++++
 .../QuickAccess/QuickAccessViewModel.cs                    | 2 ++
 src/settings-ui/Settings.UI.Library/LightSwitchSettings.cs | 2 +-
 .../Settings.UI.Library/SettingsSerializationContext.cs    | 2 +-
 .../SerializationContext/SourceGenerationContextContext.cs | 2 +-
 5 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/settings-ui/Settings.UI.Controls/QuickAccess/QuickAccessLauncher.cs b/src/settings-ui/Settings.UI.Controls/QuickAccess/QuickAccessLauncher.cs
index 4799ff624f..b81c9638f3 100644
--- a/src/settings-ui/Settings.UI.Controls/QuickAccess/QuickAccessLauncher.cs
+++ b/src/settings-ui/Settings.UI.Controls/QuickAccess/QuickAccessLauncher.cs
@@ -112,6 +112,13 @@ namespace Microsoft.PowerToys.Settings.UI.Controls
                         eventHandle.Set();
                     }
 
+                    return true;
+                case ModuleType.LightSwitch:
+                    using (var eventHandle = new EventWaitHandle(false, EventResetMode.AutoReset, Constants.LightSwitchToggleEvent()))
+                    {
+                        eventHandle.Set();
+                    }
+
                     return true;
                 default:
                     return false;
diff --git a/src/settings-ui/Settings.UI.Controls/QuickAccess/QuickAccessViewModel.cs b/src/settings-ui/Settings.UI.Controls/QuickAccess/QuickAccessViewModel.cs
index 5531df1ee5..50fc46af09 100644
--- a/src/settings-ui/Settings.UI.Controls/QuickAccess/QuickAccessViewModel.cs
+++ b/src/settings-ui/Settings.UI.Controls/QuickAccess/QuickAccessViewModel.cs
@@ -64,6 +64,7 @@ namespace Microsoft.PowerToys.Settings.UI.Controls
             AddFlyoutMenuItem(ModuleType.EnvironmentVariables);
             AddFlyoutMenuItem(ModuleType.FancyZones);
             AddFlyoutMenuItem(ModuleType.Hosts);
+            AddFlyoutMenuItem(ModuleType.LightSwitch);
             AddFlyoutMenuItem(ModuleType.PowerLauncher);
             AddFlyoutMenuItem(ModuleType.PowerOCR);
             AddFlyoutMenuItem(ModuleType.RegistryPreview);
@@ -120,6 +121,7 @@ namespace Microsoft.PowerToys.Settings.UI.Controls
             {
                 ModuleType.ColorPicker => SettingsRepository<ColorPickerSettings>.GetInstance(SettingsUtils.Default).SettingsConfig.Properties.ActivationShortcut.ToString(),
                 ModuleType.FancyZones => SettingsRepository<FancyZonesSettings>.GetInstance(SettingsUtils.Default).SettingsConfig.Properties.FancyzonesEditorHotkey.Value.ToString(),
+                ModuleType.LightSwitch => SettingsRepository<LightSwitchSettings>.GetInstance(SettingsUtils.Default).SettingsConfig.Properties.ToggleThemeHotkey.Value.ToString(),
                 ModuleType.PowerLauncher => SettingsRepository<PowerLauncherSettings>.GetInstance(SettingsUtils.Default).SettingsConfig.Properties.OpenPowerLauncher.ToString(),
                 ModuleType.PowerOCR => SettingsRepository<PowerOcrSettings>.GetInstance(SettingsUtils.Default).SettingsConfig.Properties.ActivationShortcut.ToString(),
                 ModuleType.Workspaces => SettingsRepository<WorkspacesSettings>.GetInstance(SettingsUtils.Default).SettingsConfig.Properties.Hotkey.Value.ToString(),
diff --git a/src/settings-ui/Settings.UI.Library/LightSwitchSettings.cs b/src/settings-ui/Settings.UI.Library/LightSwitchSettings.cs
index b4eae2d1ba..ce76ec72bf 100644
--- a/src/settings-ui/Settings.UI.Library/LightSwitchSettings.cs
+++ b/src/settings-ui/Settings.UI.Library/LightSwitchSettings.cs
@@ -11,7 +11,7 @@ using Microsoft.PowerToys.Settings.UI.Library;
 using Microsoft.PowerToys.Settings.UI.Library.Helpers;
 using Microsoft.PowerToys.Settings.UI.Library.Interfaces;
 
-namespace Settings.UI.Library
+namespace Microsoft.PowerToys.Settings.UI.Library
 {
     public class LightSwitchSettings : BasePTModuleSettings, ISettingsConfig, ICloneable, IHotkeyConfig
     {
diff --git a/src/settings-ui/Settings.UI.Library/SettingsSerializationContext.cs b/src/settings-ui/Settings.UI.Library/SettingsSerializationContext.cs
index f0d14b84c9..2fab97c538 100644
--- a/src/settings-ui/Settings.UI.Library/SettingsSerializationContext.cs
+++ b/src/settings-ui/Settings.UI.Library/SettingsSerializationContext.cs
@@ -56,7 +56,7 @@ namespace Microsoft.PowerToys.Settings.UI.Library
     [JsonSerializable(typeof(HostsSettings))]
     [JsonSerializable(typeof(ImageResizerSettings))]
     [JsonSerializable(typeof(KeyboardManagerSettings))]
-    [JsonSerializable(typeof(SettingsUILibrary.LightSwitchSettings))]
+    [JsonSerializable(typeof(LightSwitchSettings))]
     [JsonSerializable(typeof(MeasureToolSettings))]
     [JsonSerializable(typeof(MouseHighlighterSettings))]
     [JsonSerializable(typeof(MouseJumpSettings))]
diff --git a/src/settings-ui/Settings.UI/SerializationContext/SourceGenerationContextContext.cs b/src/settings-ui/Settings.UI/SerializationContext/SourceGenerationContextContext.cs
index dafd6d828b..d8c53aac76 100644
--- a/src/settings-ui/Settings.UI/SerializationContext/SourceGenerationContextContext.cs
+++ b/src/settings-ui/Settings.UI/SerializationContext/SourceGenerationContextContext.cs
@@ -23,7 +23,7 @@ namespace Microsoft.PowerToys.Settings.UI.SerializationContext;
 [JsonSerializable(typeof(FileLocksmithSettings))]
 [JsonSerializable(typeof(FindMyMouseSettings))]
 [JsonSerializable(typeof(IList<PowerToysReleaseInfo>))]
-[JsonSerializable(typeof(SettingsUILibrary.LightSwitchSettings))]
+[JsonSerializable(typeof(LightSwitchSettings))]
 [JsonSerializable(typeof(MeasureToolSettings))]
 [JsonSerializable(typeof(MouseHighlighterSettings))]
 [JsonSerializable(typeof(MouseJumpSettings))]